1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* Version: MPL 1.1
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corp, Inc.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Stuart Parmenter <pavlov@netscape.com>
* Chris Waterson <waterson@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* This code is for MIPS using the O32 ABI. */
#include <sys/regdef.h>
#include <sys/asm.h>
.text
.globl PrepareAndDispatch
NARGSAVE=4 # extra space for the callee to use. gccism
# we can put our a0-a3 in our callers space.
LOCALSZ=2 # gp, ra
FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase')
define(STUB_ENTRY,
` .globl 'STUB_NAME($1)`
.align 2
.type 'STUB_NAME($1)`,@function
.ent 'STUB_NAME($1)`, 0
'STUB_NAME($1)`:
.frame sp, FRAMESZ, ra
.set noreorder
.cpload t9
.set reorder
subu sp, FRAMESZ
.cprestore 16
li t0, '$1`
b sharedstub
.end 'STUB_NAME($1)`
')
define(SENTINEL_ENTRY, `')
include(xptcstubsdef.inc)
.globl sharedstub
.ent sharedstub
sharedstub:
REG_S ra, 20(sp)
REG_S a0, 24(sp)
REG_S a1, 28(sp)
REG_S a2, 32(sp)
REG_S a3, 36(sp)
# t0 is methodIndex
move a1, t0
# put the start of a1, a2, a3, and stack
move a2, sp
addi a2, 24 # have a2 point to sp + 24 (where a0 is)
# PrepareAndDispatch(that, methodIndex, args)
# a0 a1 a2
#
jal PrepareAndDispatch
REG_L ra, 20(sp)
REG_L a1, 28(sp)
REG_L a2, 32(sp)
addu sp, FRAMESZ
j ra
.end sharedstub
|
